Height: 2"/50.8mm Diameter: .97"/24.638mm Height accuracy -0/+0.0002" IP67 protection Carbide touch surface (0.196"/5mm) High precision bearing guide system for long life Interchangeable magnetic base High visibility LED indicator Movement stroke 0.078"/2mm Trigger force: 0.5N (1.8 oz./50g) Operation temperature +5°C to 50°C (40°F to 120°F) High accuracy and repeat-ability ± .000039"/0.001mm Carbide touch surface